Rotary bottling-machine.



A. A. PINDSTOFTE. ROTARY BOTTLING MACHINE.

APPLICATION IIL-ED 001217, 1907.

Patented 001;. 5, 1909. aims-sum 1.

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Patented 0011.5, 1909. 2 SHEETS-SHEET 2.

A A PINDSTOFTE ROTARY BOTTLING MACHINE. APPLIOTION nun our. 17, 1907.

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ANDERS ANDERSEN PINDSTOFTE, OF FREDERIKSBEBG, NEAR COPENHAGEN, DENMARK.

ROTARY BOTTLING-MACI-IINE.

Specification of Letters Patent.

Patented Oct. 5, 1909.

Application filed October 17, 1907. Serial no. 397,764.

- To all whom it may concern:

Be it known that I, ANDnRs ANDERSEN Frnnsrorrn, a subject of Denmark,and re- SlCllDg at No. 62 Frederiksberg Alle, in the city ofFrederiksberg, near Copenhagen, and Kingdom of Denmark, have inventednew and useful Improvements in and Relating to Rotary Bottling-Machines,of which the following is a specification.

The invention relates to improvements in devices for bottling liquidunder counterpressure upon bottles or the likein which the liquid isintroduced into a closed liquidreservoir from which it flows downthrough bottling pipes into the bottles while the air expelled from thebottles can escape through a discharge valve controlled by a float.

The main object of my invention is to arrange said discharge valve insuch a manner that variations in the counter pressure during the fillingof the bottles are practically prevented and that consequently thebottling operation always takes place in the same manner. For thispurpose the float controlling the discharge valve is contained into aspecial small reservoir arranged beside the liquid reservoir and havingits upper part in free communication with an air reservoir connectedwith the air-pipes leading from the bottles while its lower part is infree communication with the lower part of the liquid reservoir through atube, so that normally, it is when the counter-pressure equilibrates thepressure in the liquid reservoir, the pressure on the liquid in the tworeservoirs is the same and the float-controlling liquid contained in thesmall reservoir is at the same level as the liquid in the largereservoir. If however in any of the two reservoirs the pressureincreases or falls the liquids are moved up or down, but of course therate of the upor downward movement of the liquid in the small reservoirwill be many times greater than that of the liquid in the largereservoir. Consequently the sensibility of the discharge valve will beincreased proportional to the proportion between the surface areas ofthe liquids in the two reservoirs so that an automatic and practicallyinstantaneous blowing out of the air expelled from the bottles andsuperfluous for the maintaining of a counter pressure equal to thepressure in the liquid reservoir is efiected, without allowing saidexpelled air to come into contact with the liquid which flows into theliquid reservoir, as said liquid is separated from the expelled air bythe small quantity of liquid contained in the small reservoir and actingas a constant liquidpiston which moves up and down in said reservoir.

-Further, the invention includes means whereby not only the air-escapefrom the bottles can be regulated in such a manner that formationoffroth is prevented, but also the velocity with which the air flows intothe bottles is regulated so that a too sudden establishment of thecounter-pressure in the bottles and thereby breakage of the bottles isprevented.

An embodiment of the invention is illustrated in the accompanyingdrawings, in which Figuresl and 2 represent two vertical sections on theline AB and G-D of Fig.

'3 respectively. Fig. 3 is a top view of the machine. Fig. 4c is asection through a detail on a larger scale, and F ig. 5 shows in anenlarged scale a series of regulating plates.

In the drawings a is the shaft on which the machine rotates, b is theliquid reservoir to which the liquid is supplied from the storagereservoir through a pipe 0 which is carried into the liquid reservoirthrough a stufiing box at.

The liquid reservoir is provided at its bottom with a number of bottlingpipes f, each provided with a mouthpiece c and closed below and formed,in proximity to its extremity, with a lateral orifice 9 through whichthe liquid flows into the bottle 72, ap plied to the tube and supportedon the table 71 and pressed upward against the mouthpiece. Beside eachof these bottling tubes f, an air discharge pipe 7:; is arranged whichalso opens through the mouthpiece 6 into the neck of the bottle. Eachpair of bottling tubes f and air discharge tubes is controlled in aknown manner by a common cock not shown) having an airand aliquid-passage. All these pipes 70 open above into a common airdischarge passage Z arranged outside the liquid reservoir. The passage Zis provided with a discharge valve controlled by the level of the liquidin the liquid-reservoir, as will nowbe explained, and said passage mayalso be furnished with a pressure gagem.

The arrangement or" the discharge valve shall-now be described. Theliquid reservoir b communicates through a tube a near its bottom with asmall reservoir which is in free communication at its top with the airdischarge passage Z. The liquid in the small reservoir 0 willconsequently normally, that is when the counter pressure equilibratesthe pressure in the liquid reservoir, keep level with the liquid in theliquid-reservoir b, and the rate of its upand downward movement will, ifthe pressure in any of the two reservoirs increase or falls be increasedproportional to the proportion between the surface areas of the liquidsin the two reservoirs b and 0. Leading from the upper end of thereservoir 0 is a tube 79 at the upper end of which a valve seat 4" isprovided for the air exhaust. In the example here illustrated this valveis a cone valve 6 which is carried by the float s in the reservoir 0.The discharge passage Z communicates with the tube 29 through a tube aso that the air expelled from the bottles is able to escape through theexhaust valve into the atmosphere without coming into contact with theliquid flowing into the liquid reservoir.

The liquid reservoir Z) communicates at its upper end with the dischargepassage Z through a tube 4) provided with a hand cock, so that the airexpelled from the reservoir when first charging it with liquid can bedischarged. The cock may if desired be kept open during the wholebottling process.

As mentioned the bottling-machine may be provided with means whereby notonly the'air-escape from the bottles can be regulated in such a mannerthat a constant countor-pressure is maintained and thereby for mation offroth during the filling of the bottles is prevented, but also thevelocity with which the air flows into the bottles is regulated in sucha manner that a too sudden establishment of the counter-pressure in thebottles and thereby breakage of the bottles is prevented. One form ofsuch means is shown in Fig. 4:, in which the airdischarge pipes are notin direct communication with the air discharge passage Z but areconnected therewith by screw connections 1), one of which is screwed onto one of the tubular sockets w of the air discharge passage Z for eachair discharge pipe 70. Between the ends of the tubular socket w and ofthe air discharge pipe ]c, a regulating plate 00 with one or moreperforations 2 is provided, the annular edge of this plate beingsurrounded by packing washers 2 so that a completely air tightconnection is obtained when the screw connection is tightened.

Each bottling machine is provided with a number of sets of regulatingplates (see Fig. 5) corresponding to the number of bottling pipes; thesesets are furnished with perforations of different diameters say 1 mm.,1,1 mm., 1,2 mm. and so forth, so that upon unscrewing the screwconnection and inserting a different regulating plate the velocity withwhich the air is discharged from or introduced into the bottles may beadapted to each particular case, so that not only the bottling can beeffected without the formation of froth, but also a too sudden establishment of the counter-pressure in the bottles and thereby breakage of thebottles is prevented.

Claims.

1. In a device for bottling liquid under counter-pressure, thecombination with a closed liquid reservoir having liquid supply andbottling pipes, a number of air-discharge pipes leading from the bottlesto an air reservoir arranged outside the liquid reservoir and providedwith a discharge valve, of a small reservoir 0 arranged beside theliquid reservoir and having its upper part in free communication withsaid air-reservoir and its lower part in free communication with thelower part of the liquid reservoir through a pipe n, and a floatcontained in said small reservoir and controlling the discharge valve ofthe air-reservoir; substantially as and for the purpose set forth.

2. In a device for bottling liquid under counter-pressure, thecombination with a closed liquid reservoir having liquid supply and anumber of'bottling-pipes, a number of air-discharge pipes leading fromthe bottles to an air-reservoir arranged outside the liquid-reservoirand provided with a discharge valve, of a small reservoir 0 arrangedbeside the liquid-reservoir and having its upper part in freecommunication with the air-reservoir and its lower part through a pipe12 wit-h the lower part of the liquid reservoir, a float contained insaid small reservoir 0 and controlling the discharge valve of theair-reservoir, and a tube 1; with valve or the like connecting the upperpart of the liquid reservoir with the upper part of the small reservoir0 substantially as and for i the purpose set forth.

3. In a device for bottling liquid under counter pressure, thecombination with a rotary closed liquid reservoir having liquid supplyand a number of bottling-pipes, a number of air-discharge pipes leadingfrom the bottles and connected with a ring-shaped air-reservoir arrangedoutside and rotating with the liquid-reservoir and provided with adischarge-valve, of a small reservoir 0 arranged beside and rotatingwith the liquid reservoir and having its upper part in freecommunication wit-h the air-reservoir and its lower part in freecommunication with the lower part of the liquid-reservoir through a pipe71., and a float contained in said small reservoir 0 and controlling thedischargevalve of the air-reservoir; substantially as and for thepurpose set forth.

4. In a device for bottling liquid under counter-pressure, thecombination with a closed liquid reservoir having liquid supply and anumber of bottling-pipes, a number of air-discharge pipes leading fromthe bottles to an air reservoir arranged outside the liquid reservoirand provided with a discharge valve, of a small reservoir 0 arrangedbeside the liquid reservoir and having its upper part in freecommunication with the air-reservoir and its lower part through a pipeat with the lower part of the liquidreservoir, a float contained in saidsmall reservoir 0 and controlling the discharge valve of the airreservoir, and interchangeable perforated fiow-of-air regulating platesinserted between the air-reservoir and the discharge 15 end of theair-discharge pipes; substantially as and for the purpose set forth.

In testimony whereof, I have signed my name to this specification in thepresence of two subscribing witnesses, this second day of 20 October1907.

ANDERS ANDERSEN PINDSTOFTE.

Vitnesses MARCUS MoLLER, G. ROTKJAR.

